Added functionality to accept list of index_patterns
Added functionality to accept list of index_patterns

rashidkpc/kibana2,CSGOpenSource/Kibana2,CSGOpenSource/Kibana2,MjAbuz/Kibana,rashidkpc/kibana2,melexis/kibana,melexis/kibana,alphagov/Kibana,MjAbuz/Kibana,MjAbuz/Kibana,alphagov/Kibana,alphagov/Kibana,CSGOpenSource/Kibana2,rashidkpc/kibana2,MjAbuz/Kibana,rashidkpc/kibana2,melexis/kibana